baber/WOPTO huggingface dataset:
Patent KR-20020086450-A (KR)
Inventor: PARK DONG HYEOK
IPC: C01G49/14
Filed: 2002-10-28
Abstract: PURPOSE: Provided is a simple preparation method of high purity poly ferric sulfate with high agglomeration effects in waste water disposal by reacting ferric oxide generated from steelmaking with water and sulfuric acid in a high pressure tank. Accordingly, the method reduces reaction time and production costs. CONSTITUTION: The preparation method of poly ferric sulfate(PFS) used as a flocculant in disposal of waste water comprises the steps of: mixing ferric oxide(Fe2O3, 70-99% purity), being in the form of waste slag generated from the acid washing process in steelmaking, with water in a ratio of 1:1.5 - 1:4 in a high pressure tank; adding H2SO4(purity>=95%) to have a H2SO4 : Fe2O3 weight ratio being 1:1-1:3; reacting the mixture by heating the high-pressured tank, which is expressed by the formula, Fe2O3 + 3H2SO4 -->Fe2(SO4)3 + 3H2O; and aging for polymerization of ferric sulfate.
Patent KR-20040039560-A (KR)
Title: Portable repeater mounted on antenna of mobile communication terminal
Inventor: HONG MUN HWAN
IPC: H04B1/59
Filed: 2002-11-02
Abstract: PURPOSE: A portable repeater installed at the antenna of a mobile terminal is provided to install a portable repeater at the antenna coupler of a mobile terminal so that a user can make a call with the other side even in an area where the signal strength is weak. CONSTITUTION: A portable repeater consists of a receiving antenna(21), a receiving filter(22), a low noise amplifier(23), a transmit-receive selector(24), a power amplifier(26), a transmitting filter(27), and a transmitting antenna(28). The receiving antenna(21) receives RF signals. The receiving filter(22) passes only a desired frequency-band RF signal among the RF signals received from the receiving antenna(21). The low noise amplifier(23) amplifies the RF signal outputted through the receiving filter(22). The transmit-receive selector(24) transfers the amplified RF signal to an antenna coupler(25), and outputs an RF signal, transferred from the antenna coupler(25), separately from the low noise amplifier(23). The power amplifier(26) amplifies the RF signal outputted through the transmit-receive selector(24). The transmitting filter(27) passes a desired frequency-band RF signal among the RF signals outputted through the power amplifier(26). The transmitting antenna(28) transmits the RF signal outputted from the transmitting filter(27).
Patent KR-20030038430-A (KR)
Title: Driver side airbag with baffle
Inventor: FORD BRIAN CHRISTOPHER
IPC: B60R21/235
Filed: 2002-11-05
Abstract: PURPOSE: An airbag is provided to prevent a burned hole from being generated in the airbag by hot fine particles in an inflation gas generated in contacting an inflatable cushion of the airbag. CONSTITUTION: An airbag has a baffle(2) and a heat shield(6). The baffle includes a baffle opening part(1) for aligning at least half of inflator opening parts and having an area of half of the inflator opening parts at the minimum. The inflation gas from an inflator(10) flows into the baffle and the airbag by the baffle opening part. Hot fine particles falls on the bottom of the baffle by the winding flow of the inflation gas in the baffle and accordingly does not contact with an inflatable cushion. The heat shield has the inflator opening part for regulating the housing of the inflator and is made from materials different from the material including the inflatable cushion.
Patent KR-20040040792-A (KR)
Title: Retinol derivatives grafted with peptide and antiaging cosmetic composition containing the same
Inventor: CHO WAN GU
IPC: C07C403/00
Filed: 2002-11-08
Abstract: PURPOSE: A retinol derivative combined with an amino acid or peptide, its preparation method and an antiaging cosmetic composition containing the derivative are provided, to reduce a stimulus to the skin and to improve penetration and absorption into the skin. CONSTITUTION: The retinol derivative is represented by the formula 1, wherein X is -CH2- or -CO-; Y is -O-, -NH- or a group represented by the formula 4; £|pep is a peptide and R is at least one selected from the group consisting of side chains of glycine, alanine, valine, leucine, isoleucine, phenylalanine, tyrosine, tryptophan, cysteine, methionine, serine, threonine, lysine, arginine, histidine, aspartic acid, glutamic acid, asparagine, glutamine and proline; and n is an integer of 1-12. In the formula 4, R¬A is H or an alkyl group of C1-C6; and p is an integer of 2-100.
Patent KR-20040042162-A (KR)
Title: Evaporator using ultrasonic vibrations
Inventor: HWANG TAE YEON
IPC: F28F5/00
Filed: 2002-11-13
Abstract: PURPOSE: A heat exchanger using ultra vibration is provided to improve the performance of an air conditioner while reducing the load of a compressor, and reduce the vibration and noise of the air conditioner. CONSTITUTION: A heat exchanger using ultra vibration includes a pair of headers(10,11), a plurality of tubes(14), a plurality of fins(15), and an ultra vibration unit. The tubes are disposed in parallel to each other between the headers and communicated with the headers respectively, wherein the thickness of the tubes are smaller than that of the tubes. The fins are interposed between the tubes. The ultra vibration unit is provided over the tubes traversely to apply vibrations of a predetermined frequency to promote the turbulence in the air introduced between the tubes. The ultra vibration unit includes one or more vibration transmitting bars(40), a connection plate(30), and an oscillator(20).
Patent KR-20040043638-A (KR)
Title: Method for forming a patterned monolayer of surface-modified carbon nanotubes
Inventor: JUNG MYEONG SEOP
IPC: B82Y40/00
Filed: 2002-11-19
Abstract: PURPOSE: A method for forming a pattern by using a surface modified carbon nanotube is provided, to allow a carbon nanotube pattern to be formed easily on various materials by photography. CONSTITUTION: The method comprises the steps of introducing a double bond-containing functional group into the surface of a carbon nanotube; dissolving the carbon nanotube together with a photoinitiator in an organic solvent to prepare a coating solution; coating the coating solution on the surface of a substrate, and prebaking it to volatilize the solvent to form a film; exposing the dried film through a photomask where a desired pattern is formed to induce the photopolymerization of carbon nanotube in an exposure part; and developing the exposed film with an organic developer to remove the unexposed part of the film, thereby obtaining a negative pattern of carbon nanotube. Preferably the double bond-containing functional group is provided by the compound having the structure represented by the formula 1 or 2, wherein R or R1 is H or CH3; R2 is an alkyl group of C1-C6; and X is Cl, NH2 or OH.
Patent KR-20040043644-A (KR)
Title: Composition of Aromatics and Deodorants
Inventor: JUNG YEONG JU
IPC: A61L9/01
Filed: 2002-11-19
Abstract: PURPOSE: An oily gel type aromatic and deodorizing composition is provided, which does not contain water and the surfactant for a water-insoluble oily perfume but has good aroma persistency and deodorizing ability. CONSTITUTION: The oily gel type aromatic and deodorizing composition comprises 3 to 80 wt.% of a perfume, 0.5 to 5 wt.% of zinc-recinoleate, 12 to 72 wt.% of a mineral oil and 3 to 25 wt.% of a liquid phase polymer. The mineral oil is a paraffin liquid phase or a grease phase. The paraffin has the viscosity of 30,000 to 50,000 cps at 25 deg.C. The mineral oil and the liquid phase polymer form a network structure for maintaining the perfume and the metal complex compound stable.
Patent KR-20030041818-A (KR)
Title: Fastener
Inventor: INOUE TERUO
IPC: A44B18/00
Filed: 2002-11-20
Abstract: PURPOSE: To provide a zipper which can identify itself from an imitated product which closely looks as if it were a genuine one. CONSTITUTION: The zipper is provided with an identifying yarn that contains a material, with the reaction characteristic to light with a visible range different from that to infrared rays with a specified wavelength which irradiates, at a specified site such as that adjacent to a leg part of the fastener element at the fastener tape part. This facilitates the identification between genuine and false zipper products.
Patent KR-20040045945-A (KR)
Title: Headrest apparatus for automobile
Inventor: HWANG JONG WON
IPC: B60N2/48
Filed: 2002-11-26
Abstract: PURPOSE: A head rest system of a vehicle is provided to prevent injury by a second collision and to improve safety performance by pushing an auxiliary head rest with a piston of a cylinder. CONSTITUTION: An eccentric collision sensor(2) transmits a collision signal to an ESPS(Electronic Single Point Sensor,4) in an eccentric collision. The ESPS generates a signal to explode a gas generator(14) by judging the collision signal. The gas generator pushes a piston(13) of a cylinder(12) by exploding after receiving the signal of the ESPS. The piston of the cylinder pushes an auxiliary head rest(10a) to protrude toward a side of a head rest(10) when the gas generator explodes. The auxiliary head rest is inserted to a guide groove(11) in the head rest, protruded to the side of the head rest in reciprocating movement with the piston.
Patent KR-20040047087-A (KR)
Title: Automatic drop test apparatus for steel plate
Inventor: CHOI GI SEOK
IPC: G01N3/303
Filed: 2002-11-29
Abstract: PURPOSE: An apparatus used in an automatic falling test for a steel plate is provided to obtain uniform data for a destruction test of the steel plate without requiring high skill of a worker by automatically performing the destruction test. CONSTITUTION: An apparatus used in an automatic falling test for a steel plate includes a test room(100), a hoist(200), a hammer(300), a hammer lock(400), a cooling part(500), a transport part(600), a computer(700), and a PLC(800). The test room(100) includes a two-layer structure for performing a falling test. The hoist(200) is installed in the test room(100). A hoist-mounted plate is installed in the test room(100). Therefore, the hoist(200) is mounted on the hoist mounting plate. A hammer carrier of a lower side of the hoist mounting plate is connected to the hoist(200).
Patent KR-20040050198-A (KR)
Title: Tee pack including lotus and method thereof
Inventor: HONG CHEOL YONG
IPC: A23F3/00
Filed: 2002-12-09
Abstract: PURPOSE: Tea pack including Nelumbo nucifera(lotus) and a preparation method thereof are provided, thereby easily using the healthful effects of lotus by drinking the tea pack of lotus, and employing all parts of lotus including leaf, root, stalk and flower for preparing the tea pack. CONSTITUTION: The tea pack including Nelumbo nucifera(lotus) comprises 60 to 97 wt.% of leaves of dried Nelumbo nucifera, 1 to 25 wt.% of roots of dried Nelumbo nucifera, 2 to 15 wt.% of seeds of dried Nelumbo nucifera, 2 to 15 wt.% of ovary of dried Nelumbo nucifera and 2 to 15wt.% of flower leaves of dried Nelumbo nucifera. The method for preparing the tea pack including Nelumbo nucifera(lotus) comprises the steps of: (1) selecting and washing leaves, roots, seeds, ovary and flower leaves of Nelumbo nucifera; (2) cutting and heat drying them; (3) pulverizing the dried materials of Nelumbo nucifera; (4) mixing 60 to 80 wt.% of wt.% of leaves of dried Nelumbo nucifera, 5 to 15 wt.% of roots of dried Nelumbo nucifera, 2 to 8 wt.% of seeds of dried Nelumbo nucifera, 2 to 8 wt.% of ovary of dried Nelumbo nucifera and 2 to 8wt.% of flower leaves of dried Nelumbo nucifera; and (5) packaging the mixture of dried Nelumbo nucifera with paper or nonwoven fabric.
Patent KR-20030004278-A (KR)
Title: Apparatus for joining a reed of a aerophone
Inventor: JO SUNG IM
IPC: G10D9/02
Filed: 2002-12-17
Abstract: PURPOSE: A reed joining apparatus is provided to minimize interference for reed and evoke maximum resonance by minimizing the contact area between the reed and mouthpiece through the use of contact pieces. CONSTITUTION: A reed joining apparatus(20') for joining a reed to a surface of a mouthpiece, comprises a lower support plate(40) having a central coupling hole where a screw(26) is coupled in such a manner that the screw is movable in a vertical direction; a support ring(42) arranged at the upper surface of the lower support plate, and made of a thin metal material, wherein the support ring is formed into a polygonal shape; and contact pieces(44) spaced apart from each other along the inner periphery of the support ring, and shaped into a cylinder such that the reed and mouthpiece contact a circular arc portion of each contact piece.
Patent KR-20040055013-A (KR)
Inventor: LEE SANG HO
IPC: H01J29/76
Filed: 2002-12-20
Abstract: PURPOSE: A deflection yoke is provided to reduce costs by preventing a leakage of magnetic field through the change of the position of the terminal of horizontal deflection coil. CONSTITUTION: A deflection yoke comprises a coil separator including a screen portion coupled to the screen of a cathode ray tube, a rear cover, and a neck portion extended from the center of the rear cover and coupled to the electron gun of the cathode ray tube; a horizontal deflection coil(15) and a vertical deflection coil(16) arranged on the inner and outer surfaces of the coil separator, respectively, so as to form horizontal and vertical deflection magnetic fields; and a printed circuit board(p) coupled to the rear cover of the coil separator, and which permits the horizontal and vertical deflection coils to be electrically connected to the printed circuit board and has terminals(20,21,22,23) connected to lead-out lines(15a,16a) and lead-in lines(15b,16b) of the horizontal and vertical deflection coils, wherein the gap formed between terminals is 40mm or shorter.
Patent KR-20040059464-A (KR)
Title: Wafer perception device of spin dryer
Inventor: CHOI CHANG YONG
IPC: H01L21/304
Filed: 2002-12-30
Abstract: PURPOSE: An apparatus for sensing wafer loading in a spin dryer is provided to prevent damage of a wafer by detecting exactly a loading-state of the wafer using a photo sensor. CONSTITUTION: A spin dryer includes a body(31) with a door(32), a spin rotor(34) in the body, a wafer guide(36) for supporting a wafer through three points and retainer(38) for fixing the wafer. A photo sensor(40) is installed on an upper portion of the body. The photo sensor is used for detecting an incomplete loading-state of the wafer by using initial data of a loading part.
Patent KR-20040059795-A (KR)
Title: Method of manufacturing ferroelectric memory device
Inventor: CHOI EUN SEOK
IPC: H01L27/105
Filed: 2002-12-30
Abstract: PURPOSE: A method for fabricating a ferroelectric memory device is provided to easily form a capping layer of a spacer type that prevents a loss of a lower electrode and protects the side part of a barrier metal layer by performing a spacer process on the lower electrode in using a barrier metal layer of an open structure. CONSTITUTION: A semiconductor substrate(30) is prepared on which a barrier metal layer(33), a lower electrode(34) and a hard mask are sequentially formed. A nitride layer is formed on the resultant structure to cover the hard mask, the lower electrode and the barrier metal layer. The nitride layer formed on the hard mask and the substrate is etched to form a capping layer(36A) of a spacer type completely covering the side portion of the barrier metal layer.
Patent KR-20040060644-A (KR)
Title: MP3omitted
Inventor: SON YOUNG SUK
IPC: G11B20/04
Filed: 2002-12-30
Abstract: PURPOSE: An MP3 device having multi functions is provided to be assigned with new functions, and to combine different items of products into one product, thereby improving user convenience. CONSTITUTION: In an MP3 device(1), from a pen(6) and a stamp(7) to a fragrance generator(8), a massage unit(9), a flash(10), a lighter(11), a cellular phone(12), an accessory(13), a toy(14), an apparatus(15) for self-defense, a bar(16), a needle(17) for acupuncture, a gun(18), a ring(27), a knife(28), a watch(29), an electronic card(19), a key and lock set(20), earrings(21), a microscope(22), a telescope(23), a recorder(24), a remote controller(25), a necklace(26), and a security unit, a radio cassette device(2), a camcorder(3), and a PDA(4) are disposed.
Patent KR-20040061639-A (KR)
Title: Smoothing circuit for removing the ripple current
Inventor: KIM YEONG NAM
IPC: H02M1/14
Filed: 2002-12-31
Abstract: PURPOSE: A smoothing circuit is provided to prevent a degradation of performance of electrolytic condenser by removing high frequency ripple components through the use of an additional circuit which does not change characteristics of smoothing circuit. CONSTITUTION: A smoothing circuit comprises low frequency ripple component removing electrolytic condensers(C8,C9) having ends connected to an input side; inductors(L1,L2) having ends connected to the other ends of the electrolytic condensers; anti-reverse diodes(D6,D7); and high frequency ripple component removing condensers(C80,C90) having ends connected to an input side. The high frequency ripple component removing condensers are film condensers.
Patent KR-20040062084-A (KR)
Inventor: KIM YEONG JU
IPC: H01L29/786
Filed: 2002-12-31
Abstract: PURPOSE: A method for crystallizing silicon is provided to prevent the unbalance of picture quality by forming a metal layer corresponding to the remaining region except for a thin film transistor. CONSTITUTION: An amorphous preceding layer(104) is formed by depositing amorphous silicon on a substrate(100). A metal layer is formed by depositing the high fusion point metal on an upper surface of the amorphous preceding layer. A power part of the amorphous preceding layer is exposed by removing the metal layer corresponding to an arbitrary region of the metal layer. A mask including a transmission part and a shielding part is located on an upper part of the substrate including the patterned metal layer. The amorphous preceding layer is crystallized as polysilicon(110) by irradiating the laser beam on the mask.
Patent KR-20020025972-A (KR)
IPC: H01R13/631
Filed: 2001-06-18
Abstract: 소켓본체(11)의 삽입홈(12)의 바닥면에 끼워맞춤편(13)을 설치함과 아울러, 끼워맞춤편(13)의 선단부에 끼워맞춤 오목부(13a)를 설치하고, 또한 헤더본체(12)에 끼워맞춤편(13)과 끼워맞춰지는 끼워맞춤홈(23)을 설치함과 아울러, 끼워맞춤편 (23)에 끼워맞춤 오목부(13a)와 끼워맞춰지는 끼워맞춤 돌출부(23a)를 설치한다. 끼워맞춤편(13) 및 끼워맞춤홈(23)과 끼워맞춤 오목부(13a) 및 끼워맞춤 돌출부 (23a)가 각각 끼워맞춰짐으로써, 소켓본체(11)의 둘레끝부(16)에 충격하중이 걸리지 않고 소켓본체(11)의 파손을 방지하며, 둘레 끝부(16)의 두께를 얇게 하여 커넥터의 소형화를 도모할 수 있다. 또한, 소켓본체(11) 및 헤더본체(21)의 위치결정 정밀도를 향상시키고, 소켓(10)과 헤더(20)의 접촉불량을 방지할 수 있다.
Patent KR-20020037768-A (KR)
IPC: B60R21/263
Filed: 2000-10-04
Abstract: 안전성 및 신뢰성이 높아진 에어백용 가스발생기를 제공한다. 
     제 1 연소실(5a)내의 가스발생제(9a)가 연소된 경우에도, 제 2 연소실(5b)과의 연통구멍(10)을 패쇄하는 금속박판(11)의 작용으로, 가스발생제(9b)가 연소하는 것이 방지된다.  점화기(1112)에는 구멍(1191)를 갖는 컵(1190)이 씌워져 있고, 점화시의 화염은 전화약(1116)에 좁은 폭으로 직진한다.  따라서, 전화약(1116)이 완전연소하기 때문에, 가스발생제(1109)를 완전연소시키는데에 충분한 화염을 확실하게 발생할 수 있다.  점화수단 수용실(2008)에 점화기와 전화약이 포함되어 있고, 전화약 수용실(2015a)내의 있어서 전화약(2016a)의 충전밀도가 0.1 내지 5g/㎤이다.  제 1 연소실(3005a)과 제 2 연소실(3005b) 사이의 연통구멍(3010)이, 점화제층을 통하여 2장 겹친 실 테이프(3011)에 의해 폐색되어 있다.  작동 후, 제 1 연소실(3005a)의 내압의 상승에 의해 실 테이프(3011)는 파열하지 않으며, 제 2 연소실(3005b)의 내압의 상승에 의해 용이하게 벗겨져서 떨어진다.
Patent KR-20020065539-A (KR)
Title: Method and devices for dialling services
IPC: H04M3/42
Filed: 2000-11-28
Abstract: The method involves entering a call request at a terminal, converting the request into a service identification in the terminal, transmitting the service identification to a telecommunications network node, converting the device identification into a call number in the node and establishing a link to the service associated with the number. Request conversion involves comparing the entered character sequence with predetermined character sequences. Independent claims are also included for the following: a terminal, a node for a telecommunications network and a use of the method for a UTMS system.
Patent KR-20020089329-A (KR)
Title: 세륨, 및 희토류, 전이금속, 알루미늄, 갈륨 및 지르코늄중에서 선택된 1종 이상의 다른 원소의 화합물의 수성콜로이드 분산액, 그의 제조 방법 및 용도
IPC: B01J35/00
Filed: 2001-01-25
Abstract: 본 발명은 세륨, 및 세륨 이외의 희토류, 티탄, 바나듐, 크롬, 망간, 철, 코발트, 니켈, 구리, 아연, 알루미늄, 갈륨 및 지르코늄 중에서 선택된 1종 이상의 다른 원소 M의 화합물의 수성 콜로이드 분산액에 관한 것이다.  상기 분산액은 5 mS/cm 이하의 전도율을 나타내는 것을 특징으로 한다.  이를 제조하는 방법은 H + /(Ce+M) 원자비가 0.1 이상인 양으로 산이 존재하는 조건하에 1종 이상의 세륨 염 및 1종 이상의 상기 원소 M의 염의 혼합물을 염기와 반응시킨 후, 상기 반응으로부터 형성된 침전물을 물에 재분산시키는 것이다.  상기 분산액은 촉매에서, 윤활재에서, 세라믹에서, 그리고 방식제로서 사용될 수 있다.
Patent KR-20030047875-A (KR)
IPC: H01J45/00
Filed: 2001-03-06
Abstract: 고체상태 열이온 에너지 컨버터 반도체 다이오드 주입 및 열에너지를 전기에너지로 변환하는 방법과 전기에너지를 냉장으로 변환하는 방법이 제공된다.  본 발명의 실시예에서, 불순물이 상당량 첨가된 n * 영역(14)은 이미터 영역으로 작용할 수 있으며, 이에 의해 캐리어는 갭영역으로 주사될 수 있다.  갭영역은 P형, 또는 고유의 형태 또는 적절히 도핑된 n형(14)일 수 있다.  고온 오믹 접점(12)은 n * 형 영역에 연결된다.  콜드 오믹 접점(12)은 콜렉터로서 작용하며, 갭영역의 다른쪽에 연결된다.  콜드 오믹 접점은 콜미 오믹 접점과 갭 영역 사이 그리고 열전기 역류 성분을 감소시키는 차단 보상층 사이에 형성된 재조합 영역을 포함한다.  콜렉터에 대해 가열된 이미터는 전류를 직렬 부하를 통해 구동하는 EMF를 발생시킨다.  본 발명의 원리는 전자뿐만 아니라 정공 도전성에도 양호하게 적용될 수 있다.
Patent KR-20040029942-A (KR)
Title: Latex adhesive with coating enhancer
IPC: C09J7/35
Filed: 2000-09-06
Abstract: A coatable adhesive comprising a latex adhesive and a coating-enhancing amount of a linear or branched, optionally unsaturated mono-alcohol.  Methods of improving the coatability of latex adhesives, and composites comprising adhesives that have been coated with such latex adhesives are also provided.  Structured liner composites particularly benefit from such alcohol additives, which further may be optionally be interrupted with one or more oxygens.
Patent KR-20020095255-A (KR)
Title: Method and device for detecting end point of curing of resin, assembly, apparatus and method for producing assembly
Filed: 2001-05-09
Abstract: The correlation R=I(t)/I(0) between the intensity I(0) of at least one specific wavelenght of monitoring light measured before a resin RSN is cured and the Intensity (t) of the specific wavelenght after the resin RSN is cured is determined. When the variation with time of the correlation R becomes stable, it is judged that the curing of the resin RSN has ended. To produce an assembly, a photocuring resin RSN is interposed between at least two members (M1, M2). When the curing end point is detected, the irradiation of the resin RSN with resin-curing light is stopped, and the assembly is transferred.
Patent KR-20030011130-A (KR)
Title: Solar heat collector
Inventor: KIM YOUNG KOO
IPC: F24J2/04
Filed: 2003-01-13
Abstract: PURPOSE: A solar heat collector is provided to reduce the manufacturing cost and easily convert heat energy as compared with other devices. CONSTITUTION: A molecular energy by the heat conduction is condensed at the condenser by exposing a freezing room of a refrigerator to the solar light. A heat absorbing chamber absorbs the solar heat in proportion to the surface area. There is a fear that the distortion of the pipe is occurred, since the air pressure of the heat absorbing pipe approaches a vacuum. A compressor is designed to seal hermetically a next stage compressor to increase the pressure in the compressor.
Patent KR-20040066403-A (KR)
Inventor: JANG SEUNG HO
IPC: B65D81/24
Filed: 2003-01-18
Abstract: PURPOSE: A gas drainage packaging material is provided to maintain high quality of packaged contents, to extend their storage period, and to increase their value by packaging the contents generating gas inside package, besides to be easily applied to various packaging methods. CONSTITUTION: The gas drainage packaging material includes; a check valve(1) arranged inside a drainage hole on the top of packaging material and discharging the gas inside the package to the outside; a first filter(4) arranged on the upper end of the check valve(1) and secondly blocking leakage of viscous liquid substances or powders; a second filter(5) arranged on the lower end of the check valve(1) and thirdly blocking steam and volatile substances; a gas inlet(8) and an unevening(14) guiding the gas generated inside the package to the check valve(1); a valve body(2) shaped as one body with a gas suction-absorption-deodorization portion(6) arranged between the first and the second filter; and a multi-layer film(25) having low gas permeability.